DE289528C - - Google Patents

Info

Publication number
DE289528C
DE289528C DENDAT289528D DE289528DA DE289528C DE 289528 C DE289528 C DE 289528C DE NDAT289528 D DENDAT289528 D DE NDAT289528D DE 289528D A DE289528D A DE 289528DA DE 289528 C DE289528 C DE 289528C
Authority
DE
Germany
Prior art keywords
circuit
currents
phase
auxiliary
line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DENDAT289528D
Other languages
German (de)
English (en)
Publication of DE289528C publication Critical patent/DE289528C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/28—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
    • H02H3/30—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel
    • H02H3/307—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel involving comparison of quantities derived from a plurality of phases, e.g. homopolar quantities; using mixing transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Protection Of Transformers (AREA)
DENDAT289528D Active DE289528C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE289528C true DE289528C (enrdf_load_stackoverflow)

Family

ID=544553

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT289528D Active DE289528C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE289528C (enrdf_load_stackoverflow)

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